﻿// The Nova Project by Ken Beckett.
// Copyright (C) 2007-2012 Inevitable Software, all rights reserved.
// Released under the Common Development and Distribution License, CDDL-1.0: http://opensource.org/licenses/cddl1.php

using System.Collections.Generic;

using Nova.CodeDOM;

namespace Nova.UI
{
    /// <summary>
    /// The view model for a <see cref="CodeDOM.ConstructorDecl"/>.
    /// </summary>
    public class ConstructorDeclVM : MethodDeclBaseVM
    {
        #region /* STATICS */

        internal static void AddViewModelMapping()
        {
            CreateViewModel.Add(typeof(ConstructorDecl),
                delegate(CodeObject codeObject, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary) { return new ConstructorDeclVM((ConstructorDecl)codeObject, isDescription, dictionary); });
        }

        #endregion

        #region /* FIELDS */

        /// <summary>
        /// Optional ThisInitializer or BaseInitializer call to another constructor.
        /// </summary>
        protected ConstructorInitializerVM _initializerVM;

        #endregion

        #region /* CONSTRUCTORS */

        /// <summary>
        /// Create a view model instance for the specified <see cref="CodeDOM.ConstructorDecl"/>.
        /// </summary>
        public ConstructorDeclVM(ConstructorDecl constructorDecl, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary)
            : base(constructorDecl, isDescription, false, true, dictionary)
        {
            _initializerVM = (ConstructorInitializerVM)CreateVM(constructorDecl.Initializer, isDescription, dictionary);
        }

        #endregion

        #region /* PROPERTIES */

        /// <summary>
        /// The underlying <see cref="CodeDOM.ConstructorDecl"/> model.
        /// </summary>
        public ConstructorDecl ConstructorDecl
        {
            get { return (ConstructorDecl)CodeObject; }
        }

        /// <summary>
        /// An optional <see cref="ConstructorInitializerVM"/>.
        /// </summary>
        public ConstructorInitializerVM InitializerVM
        {
            get { return _initializerVM; }
        }

        #endregion

        #region /* METHODS */

        #endregion

        #region /* RENDERING */

        internal override void RenderName(CodeRenderer renderer, RenderFlags flags)
        {
            renderer.RenderText(ConstructorDecl.Name, TYPE_BRUSH, this);
        }

        protected override void RenderSuffix(CodeRenderer renderer, RenderFlags flags)
        {
            if (_initializerVM == null && !flags.HasFlag(RenderFlags.Description))
                RenderTerminator(renderer, flags);
        }

        protected override void RenderAfter(CodeRenderer renderer, RenderFlags flags)
        {
            RenderAnnotations(renderer, AnnotationFlags.IsInfix2, flags);
            if (_initializerVM != null && !flags.HasFlag(RenderFlags.Description))
            {
                renderer.IndentOnNewLineBegin(this);
                _initializerVM.Render(renderer, flags | RenderFlags.IncreaseIndent
                    | (_initializerVM.IsFirstOnLine ? 0 : RenderFlags.PrefixSpace) | RenderFlags.HasTerminator);
                renderer.IndentOnNewLineEnd(this);
            }
            base.RenderAfter(renderer, flags);
        }

        public override void RenderVisible(CodeRenderer renderer, RenderFlags flags)
        {
            base.RenderVisible(renderer, flags);
            if (_initializerVM != null)
                _initializerVM.RenderVisible(renderer, flags);
        }

        public override void UnRender()
        {
            if (_initializerVM != null)
                _initializerVM.UnRender();
            base.UnRender();
        }

        #endregion
    }
}
